Patent · US Expired

Air heater with perforated resistance element

US6242712A · kind A · utility

26Cited by
20References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 11, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateMay 11, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A heater for heating air in an intake passage of an internal combustion engine. The heater includes a heating element coupled to a first holder and a second holder. The heating element has a preselected resistance corresponding to plurality apertures formed therethrough. A second embodiment includes a heating element positioned within a housing. The heating element includes a plurality of selectively removable slugs. After removal of one or more of the slugs, the electrical resistance of the heating element increases.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.